else:
lines = linef.find_lines(image, show_all, do_something, verbose)
+ image_g = image.copy()
+ draw = ImageDraw.Draw(image_g)
+ for line in [l for s in lines for l in s]:
+ draw.line(linef.line_from_angl_dist(line, image.size), fill=(120, 255, 120))
+ if show_all:
+ do_something(image_g, "the grid")
+
intersections = intersections_from_angl_dist(lines, image.size)
image_g = image.copy()
draw = ImageDraw.Draw(image_g)
if show_all:
do_something(im_c, "hough x lines")
- image_g = image.copy()
- draw = ImageDraw.Draw(image_g)
- for line in [l for s in lines for l in s]:
- draw.line(line_from_angl_dist(line, image.size), fill=(120, 255, 120))
- if show_all:
- do_something(image_g, "the grid")
-
+
return lines
def combine(image1, image2):
import pygame
import Image, ImageDraw
+from math import atan, sin, cos, pi
class UserQuitError(Exception):
pass
corners = []
color=(64, 64, 255)
line_width = 2
+ lines_r = []
+
while not done:
for event in pygame.event.get():
- if event.type == pygame.QUIT:
+ if event.type == pygame.QUIT or event.type == pygame.KEYDOWN:
pygame.quit()
- raise UserQuitError
+ if len(corners) == 4:
+ return lines_r
+ else:
+ raise UserQuitError
if event.type == pygame.MOUSEBUTTONDOWN:
- if len(corners) >= 4:
+ if len(corners) >= 4:
corners = []
im = im_orig.copy()
draw = ImageDraw.Draw(im)
- if len(corners) < 4:
+ if len(corners) < 4:
corners.append(pygame.mouse.get_pos())
draw.point(corners[:-1], fill=color)
if len(corners) == 4:
l_hor = lines(corners[1:4] + [corners[0]], 0)
for l in l_hor:
draw.line(l, fill=color, width=line_width)
+ l_vert += [(corners[0], corners[3]),
+ (corners[1], corners[2])]
+ l_hor += [(corners[0], corners[1]),
+ (corners[2], corners[3])]
l_vert = sorted(l_vert)
l_hor = sorted(l_hor)
for i in [3, 8, 14]:
for j in [3, 8, 14]:
hoshi(intersection(line(l_vert[i][0], l_vert[i][1]),
line(l_hor[j][0], l_hor[j][1])))
+ lines_r = [[l2ad(l[0], l[1], im.size) for l in l_vert],
+ [l2ad(l[0], l[1], im.size) for l in l_hor]]
screen.display_picture(im)
clock.tick(15)
return None
return (int(round(float(q[1] * p[2] - p[1] * q[2]) / det)),
int(round(float(p[0] * q[2] - q[0] * p[2]) / det)))
+
+def l2ad(a, b, size):
+ if (a[0] - b[0]) == 0:
+ angle = pi / 2
+ else:
+ q = float(a[1] - b[1]) / (a[0] - b[0])
+ angle = atan(q)
+
+ distance = (((a[0] - (size[0] / 2)) * sin(angle)) +
+ ((a[1] - (size[1] / 2)) * - cos(angle)))
+ return (angle, distance)